Life & fun · alternatives · 2026

24 alternatives to Papercups: Shared Inbox

Reply to Emails, Chat, and SMS from Slack

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Papercups: Shared Inbox launched in 2021; newer entries below may have overtaken it.

1. 1
   Papercups 2.0▲287

   Open source Intercom and Drift alternative

   2021 · papercups.io · its alternatives →

2. 2
   SharedBox▲100

   Shared inbox for your team; in Slack

   2018 · its alternatives →

3. 3
   Slack Shared Channels▲480

   Work with anyone in Slack

   2017 · slack.com · its alternatives →

4. 4PO
   Papercups – Open-source alternative to Intercom▲148

   2021 · papercups.io · its alternatives →

5. 5
   Slack▲2,714

   Be less busy. Real-time messaging, archiving & search.

   2013 · slack.com · its alternatives →

6. 6
   Interactive Screen Sharing in Slack▲759

   The next best thing to working in the same room

   2017 · slack.com · its alternatives →

7. 7
   Papercups▲227

   Open source Intercom Alternative

   2020 · papercups.io · its alternatives →

8. 8
   SharedInbox▲112

   Send or receive emails from Slack

   2021 · sharedinbox.co · its alternatives →

9. 9
   Thread Messaging on Slack▲710

   Keep conversations organized and easy to follow with Threads

   2017 · slack.com · its alternatives →

10. 10
    Buffer Reply▲537

    Team inbox for social

    2016 · buffer.com · its alternatives →

11. 11
    Front 2.0▲500

    Shared team inboxes to manage Email, Twitter, SMS & more

    2014 · front.com · its alternatives →

12. 12
    Papercups EU▲94

    Open source live chat tool hosted in EU

    2021 · its alternatives →

13. 13
    Front Facebook Inbox▲353

    Help companies scale communication through Facebook

    2015 · front.com · its alternatives →

14. 14
    Slack Video Calls▲773

    Talking face-to-face with your team is just one click away

    2016 · slack.com · its alternatives →

15. 15
    Slack E-mail Add-ins▲146

    Quickly forward emails and attachments to Slack

    2019 · slack.com · its alternatives →

16. 16
    ClearFeed▲510

    Convert multiple Slack channels into a shared Inbox

    2023 · clearfeed.ai · its alternatives →

17. 17
    Facebook for Slack by MailClark▲188

    Reply to Facebook messages directly from Slack!

    2017 · mailclark.ai · its alternatives →

18. 18
    Papercups Functions▲10

    Build and deploy custom chat bots with code in the browser

    2021 · functions.papercups.io · its alternatives →

19. 19
    Reply Now▲274

    Make messengers work for your business

    2019 · its alternatives →

20. 20
    Loom for Slack▲461

    One-click sharing & In-line video plays, now on Slack.

    2018 · loom.com · its alternatives →

21. 21
    Intercom for Slack▲482

    Chat, qualify and close leads directly from Slack

    2018 · intercom.com · its alternatives →

22. 22
    Shared Inbox for Gmail and Slack▲20

    Effortlessly collaborate on emails right inside your Gmail inbox. Try the leading shared inbox software designed for Google Workspace and Gmail. Start for free today!

    2020 · gmelius.com · its alternatives →

23. 23
    Smallchat Beta▲372

    Slack integration for chatting with visitors to your website

    2017 · small.chat · its alternatives →

24. 24
    Slack with your Users▲339

    Speak to your app's users entirely within Slack

    2015 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →